Abstract: A base unit (1), e.g. a luminaire, comprises fixation means (3, 5, 15) configured to fixate a module (11), e.g. a light module, in the base unit. The fixation means, e.g. comprising one or more protrusions (15), one or more recesses (3) and one or more magnetic field generators (5), is configured to release the module from the base unit upon detecting an unmanned aircraft (31) being docked with the base unit or the module.

Abstract: Disclosed is a SSL lamp that includes three or more elongated light emitting structures. A respective first end of each of the three or more elongated light emitting structures are arranged such that they define a first polygon. A portion of each of the three or more elongated light emitting structures are arranged in vicinity of each other such that the three or more elongated light emitting structures crosses each other at a smallest angle of at least 30 degrees, thereby forming a common neck.

Abstract: A base unit (1), e.g. a luminaire, comprises fixation means (3, 5, 15) configured to fixate a module (11), e.g. a light module, in the base unit. The fixation means, e.g. comprising one or more protrusions (15), one or more recesses (3) and one or more magnetic field generators (5), is configured to release the module from the base unit upon detecting an unmanned aircraft (31) being docked with the base unit or the module.

Abstract: The invention provides a sensor unit (100) comprising a sensor array (120) having at least 100×100 sensor pixels (125), a lens system (200), and a light transmissive sensor window (300) comprising optical structures (320), wherein the light transmissive sensor window (300) is configured at a window distance (d) from said sensor array (120), wherein the lens system (200) is configured between the sensor array (120) and said sensor window (300), and wherein an object plane (OP) and an image plane (IP) defined by said lens system (200) and sensor array (120) have an object-image plane distance (d1) selected from the range of 0.1*d-2*d, wherein the optical structures (320) are configured in a pattern, wherein the optical structures (320) have one or more dimensions selected from length (L), width (W) and diameter (D) selected from the range of 50 ?m-20 mm, and wherein neighboring optical structures (320) shortest distances (d2) selected from the range of 0-50 mm.

Abstract: The present invention relates to a SSL lamp (100) comprising: three or more elongated light emitting structures (102, 104, 106, 108). A respective first end (102a, 104a, 106a, 108a) of each of the three or more elongated light emitting structures (102, 104, 106, 108) are arranged such that they define a first polygon (150). A portion of each of the three or more elongated light emitting structures (102, 104, 106, 108) are arranged in vicinity of each other such that the three or more elongated light emitting structures (102, 104, 106, 108) crosses each other at a smallest angle (?, ??) of at least 30 degrees, thereby forming a common neck (120).

Abstract: The invention relates to an illumination device (1) comprising an optical waveguide (2) and a number of (connections for) light sources (3)—especially LEDs—positioned along the waveguide (3). This waveguide has a central axis (4) at a distance r to the surface of the waveguide, said surface comprising a light entrance surface (6) on which the (connections for) light sources are positioned and a curved light exit surface (5), wherein, viewed along the circumference of the curved surface (5), the distance r to a first intersection (8) between the flat surface (6) and the curved surface (5), changes to a second distance of different value at the second intersection (9) between said surfaces. The invention also relates to a luminaire comprising such an illumination device (1). Due to the special design of the waveguide (2), the amount of reflections of light in the light sources is largely reduced and desired shaping of the exiting beam can be realized.

Abstract: The present invention relates to a dual view display device where a display surface is divided into a first and a second sub-section (10a, 10b). A backlighting arrangement is used which provides light with different angular distributions (16a, 16b; 16a?, 16b?) to the different sub-sections. This allows at low cost e.g. in a vehicle the displaying of movies or computer game windows at a part of a display, which part is not visible for the driver of the vehicle.

Abstract: The invention relates to an illumination module (1) comprising a plurality of light sources (2) distributed over a light guiding plate (3) accommodating said light sources and capable of guiding light of said light sources through at least a portion of said plate. The light guiding plate has one or more out-coupling structures (4), preferably arranged around each light source, so that at least a portion of the light emitted by a first light source (2A) and at least a portion of the light emitted by a second adjacent light source (2B) mix within said light guiding plate before leaving said illumination module as a single substantially collimated mixed light beam. The invention further relates to a lamp and a display apparatus comprising such an illumination module.

Abstract: A circular symmetric optical element for redirecting light which is emitted by a light source through a wavelength converting element, wherein the emitted light have an average color cA and a wavelength distribution depending on an emission angle from the wavelength converting element. Light having the average color cA have an emission angle tA.

Abstract: A multiview display device displays multiple views having respective viewing angles related to an object to be displayed. The display device includes an optical device for displaying multiple viewing cones. A first cone of the multiple viewing cones has different views so that a different view is observed by a right eye and a left eye of a viewer of the multiview display device. The different views of the first cone have an angular distribution relative to the display device, where sets of image data are provided such that the angular distribution has a first part of adjacent views with increasing viewing angle and a second part of adjacent views with decreasing viewing angle. Further, the angular distribution has a first one of the views in between a maximum view which corresponds to a maximum viewing angle and a minimum view which corresponds to a minimum viewing angle.

Abstract: A circular symmetric optical element for redirecting light which is emitted by a light source through a wavelength converting element, wherein the emitted light have an average color cA and a wavelength distribution depending on an emission angle from the wavelength converting element. Light having the average color cA have an emission angle tA.

Abstract: A method, an optical system and a lighting arrangement for homogenizing a bundle of light rays (110) by means of an elongated optical element (100) arranged for homogenizing light. The bundle of light rays is directed into a transversal entry face (101) of the optical element, and into at least one of the following geometrical regions: (a) a neighbourhood of the perimeter of the entry face; (b) a neighbourhood of at least a portion of a first line segment (R1) extending from the centre of the entry face to a mid-point of a vertex (123); (c) a neighbourhood of at least a portion of a second line segment (R2a) extending from the centre of the entry face to a midpoint of an edge (122).

Abstract: A luminaire (20) comprising a light guide (11) having a first refractive index (n1), the light guide (11) comprising a light-entry surface (14), a light-reflecting surface (15) for reflecting light entering at the light-entry surface (14), and a light-exit surface (16) opposite the light-reflecting surface (15), for allowing light to exit from the light guide (11), the light guide (11) being tapered toward the opposite end relative the light-entry surface (14).

Abstract: Proposed is a luminaire (1), comprising light sources (10) and optical elements (20). The light sources (10) are arranged in a first (11) and a second array (12), while the optical elements (20) are arranged in a first (21) and a second section (22). The first ‘light sources' array (11) and the first Optical element’ section (21) form a first group (31), and the second array (12) and the section (22) form a second group (32). The luminaire (1) is characterized in that the optical elements (20) of each group are arranged to have different beam shaping characteristics, and the arrays (11,12) are arranged to be individually addressable. This is especially advantageous in illumination applications where the control of the beam shape is required or desired. Advantageously, the invention provides a luminaire (1) capable of adjusting the beam shape without using an adjustable optical system. Moreover, the control bandwidth of the light sources limits the speed with which the beam shape can be adjusted.

Abstract: An optical arrangement comprising a light guide (101) having a light-entry portion (103) with a light-entry surface (105), a tapering portion (107) with a light reflecting surface, and a light-exit surface (109). The light-entry portion (103) is arranged to guide light from the light-entry surface (105) in a first direction (x) towards the light reflecting surface (H I), the light reflecting surface being arranged in relation to the first direction (x) so that incident light from the light-entry portion (103) is reflected towards the light-exit surface (109). A light transmitting layer (113) is adapted to transmit light diffusively and arranged to cover at least a portion of the light-entry edge surface (105) of the light guide (101). The arrangement is e.g. suitable for use in a LED based luminaire and allows for efficiency and forming of a light beam able to fulfill glare requirements. The arrangement may advantageously be used in a downlighting application.

Abstract: A light emitting device is provided, comprising a light guide plate (100) and at least one light emitting diode (110). An array of mutually spaced apart reflective surface elements (103, 103?) is arranged between said back surface (102) and said front surface (103). The reflective surface elements (103, 103?) are non-parallel relative to said back surface (101) and front surface (102), and have a front side (104) facing said front surface (102) and a back side (105) facing said back surface (101). The back surface (105) of a reflective surface element (103) faces the front surface (104) of an adjacent reflective surface element (103?). The at least one light emitting diode (110) is arranged to emit light into a region (111) between two adjacent ones of said reflective surface elements (103, 103?). Since the reflective surface elements are located within the light guide, both the back surface and the front surface of the light guide plate may be made flat.

Abstract: A switchable display device (100) which is arranged to switch between a two-dimensional view mode and a three-dimensional view mode is disclosed. The switchable display device (100) comprises: a structure (104) of light generating elements (105-108) for generating light on basis of respective driving values; and optical directory means (110) for directing the generated light in dependence of an actual view mode, the actual view mode being either the two-dimensional view mode or the three-dimensional view mode. The switchable display device (100) is arranged to alternately display two-dimensional image data and three-dimensional image data, while the optical directory means (110) are switched synchronously; the 2D/3D switching is performed at a predetermined frequency, sufficiently high so that the observer can perceive a 2D window and a 3D window simultaneously.

Abstract: A light emitting device is provided, comprising a light guide plate (100) and at least one light emitting diode (110). An array of mutually spaced apart reflective surface elements (103, 103?) is arranged between said back surface (102) and said front surface (103). The reflective surface elements (103, 103?) are non-parallel relative to said back surface (101) and front surface (102), and have a front side (104) facing said front surface (102) and a back side (105) facing said back surface (101). The back surface (105) of a reflective surface element (103) faces the front surface (104) of an adjacent reflective surface element (103?). The at least one light emitting diode (110) is arranged to emit light into a region (111) between two adjacent ones of said reflective surface elements (103, 103?). Since the reflective surface elements are located within the light guide, both the back surface and the front surface of the light guide plate may be made flat.

Abstract: A switchable autostereoscopic display device comprises a display panel having an array of display pixels for producing a display, the display pixels being arranged in rows and columns; and an imaging arrangement for directing the output from different pixels to different spatial positions to enable a stereoscopic image to be viewed. The imaging arrangement is electrically switchable between at least three modes comprising a 2D mode and two 3D modes. The imaging arrangement comprises an electrically configurable graded index lens array. The display can be switched between a number of modes to enable the display to be adapted or to adapt itself to the image content to be displayed and/or the display device orientation.

Abstract: An optical element includes a first optical member with at least one indentation at a first surface thereof, and a second optical member attached to the first surface. The second optical member conforms to the at least one indentation in the first optical member. The optical element further includes at least one reflector at an interface between the first and second optical members, where the at least one reflector is located at the at least one indentation. The reflector is formed by an interface between a cavity formed between the first and second optical members and at least one of the first and second optical members.